Amanda Tapping returns as Dr. Helen Magnus in the amazing fourth season of the hit Syfy series, promising bigger myths and greater surprises than ever before.

From the producers of Fargo and Hell on Wheels, the series is set in the near future where vampires have risen and taken control. Vanessa Van Helsing is humanity's last hope for survival, as her unique blood composition gives her the ability to turn vampires human. With this secret weapon, Vanessa becomes a prime target for the vampires.

"As The Authority's newest employee, Orson finds it difficult to connect with his enigmatic desk mate, Rakesh, or any of his other colleagues. His alienation deepens when he discovers a room he's told doesn't exist, a place that unleashes his true potential, leading to an ascent up the corporate ladder. Buoyed by his newfound confidence, Orson invites a receptionist into his sanctuary, sparking a climactic clash between the corporate world's harsh...